Sig Sauer P320 Compact X-Change Kit 9mm Luger Handgun Conversion Kit - BlackSig Sauer$364.38
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Sig Sauer
The Sig Sauer P320 Subcompact X-Change Kit in 9mm Luger gives you genuine caliber flexibility in a single modular platform. If you run a P320 Subcompact and want the ability to swap to a different centerfire caliber without buying a whole new gun, this is the straightforward way to do it. The kit includes a complete slide and barrel assembly, grip module, and magazine—everything you need to transform your P320 into a different caliber setup. It's the kind of modularity that makes sense for shooters who train across multiple rounds or want caliber options without the cost and safe storage headaches of maintaining multiple pistols.
Converting between calibers is genuinely simple: disassemble your P320 as you normally would, swap out the X-Change components, and reassemble. No gunsmiths, no special tools, no hassle. This approach lets you match your carry gun to your current ammunition availability, training goals, or operational needs—whether that's cost per round at the range or a different ballistic profile for a specific use. The modular design is one of the P320's strongest suits, and this kit leverages that inheritance directly.
One important note: this X-Change kit is not compatible with P320 Subcompact models fitted with a manual safety. The kit ships with a Medium grip frame regardless of your caliber choice, so measure your hand before ordering if you're accustomed to a different size. If you're already running a P320 Subcompact and the safety-less variant works for your setup, this kit opens up genuine flexibility at a fraction of the cost of owning multiple guns.
| Firearm Platform | Sig Sauer P320 Subcompact |
| Caliber | 9mm Luger |
| Model Number | CALX320SC9BSS |
| Finish | Black |
| Grip Frame Size | Medium |
| What's Included | Slide and barrel assembly, grip module, magazine |
No. This kit is not compatible with P320 Subcompact pistols that have a manual safety. Check your current gun before purchasing to confirm it lacks the thumb safety.
The X-Change kit includes a Medium grip frame, regardless of caliber. If you typically use a Small or Large grip on your P320, you may want to measure your hands or test fit before committing to this caliber option.
The kit includes a complete slide and barrel assembly, grip module, and magazine. You'll disassemble your existing P320 Subcompact, remove its fire control unit (the serialized lower), and install it into the new grip module that comes with the kit. The fire control unit is the only component you carry forward.
Installation is a standard P320 disassembly and reassembly. If you can field strip your P320 Subcompact safely, you can install the X-Change kit. No special tools or gunsmith work required.
Sig Sauer
The Sig Sauer P320 Subcompact X-Change Kit in 9mm Luger gives you genuine caliber flexibility in a single modular platform. If you run a P320 Subcompact and want the ability to swap to a different centerfire caliber without buying a whole new gun, this is the straightforward way to do it. The kit includes a complete slide and barrel assembly, grip module, and magazine—everything you need to transform your P320 into a different caliber setup. It's the kind of modularity that makes sense for shooters who train across multiple rounds or want caliber options without the cost and safe storage headaches of maintaining multiple pistols.
Converting between calibers is genuinely simple: disassemble your P320 as you normally would, swap out the X-Change components, and reassemble. No gunsmiths, no special tools, no hassle. This approach lets you match your carry gun to your current ammunition availability, training goals, or operational needs—whether that's cost per round at the range or a different ballistic profile for a specific use. The modular design is one of the P320's strongest suits, and this kit leverages that inheritance directly.
One important note: this X-Change kit is not compatible with P320 Subcompact models fitted with a manual safety. The kit ships with a Medium grip frame regardless of your caliber choice, so measure your hand before ordering if you're accustomed to a different size. If you're already running a P320 Subcompact and the safety-less variant works for your setup, this kit opens up genuine flexibility at a fraction of the cost of owning multiple guns.
| Firearm Platform | Sig Sauer P320 Subcompact |
| Caliber | 9mm Luger |
| Model Number | CALX320SC9BSS |
| Finish | Black |
| Grip Frame Size | Medium |
| What's Included | Slide and barrel assembly, grip module, magazine |
No. This kit is not compatible with P320 Subcompact pistols that have a manual safety. Check your current gun before purchasing to confirm it lacks the thumb safety.
The X-Change kit includes a Medium grip frame, regardless of caliber. If you typically use a Small or Large grip on your P320, you may want to measure your hands or test fit before committing to this caliber option.
The kit includes a complete slide and barrel assembly, grip module, and magazine. You'll disassemble your existing P320 Subcompact, remove its fire control unit (the serialized lower), and install it into the new grip module that comes with the kit. The fire control unit is the only component you carry forward.
Installation is a standard P320 disassembly and reassembly. If you can field strip your P320 Subcompact safely, you can install the X-Change kit. No special tools or gunsmith work required.
